El Dorado High SchoolHazard Communication Your “Right to Know”
Agenda Material Safety Data Sheets (MSDSs) Fire Diamond Safety Symbols
Hazard Communication Material Safety Data Sheets
Hazard CommunicationMaterial Safety Data Sheets Company Information Hazardous Ingredients Physical Data Fire and Explosion Data Health Hazard Data Reactivity Data Spill & Leak Procedures Special Protection Information Special Precautions
Material Safety Data Sheets:Your Rights 1. Your school and even an employer must have MSDS information available for every hazardous substance you use as part of your job.
Material Safety Data Sheets:Your Rights 2. These MSDS sheets must be available to you the entire time you are in the laboratory or workplace.
Material Safety Data Sheets:Your Rights 3. If you request to see a copy of an MSDS for a product you use, and your employer cannot provide it after one working day, you may refuse to use that product or work in an area where it is being used.
Material Safety Data Sheets:Your Rights 4. At the workplace, if you request your own personal copy of an MSDS, your employer has 15 days to provide it.
Hazard Communication NFPA (National Fire Protection Association) Diamonds
Labeling and Marking SystemsNFPA Diamonds Color coded, numerical rating system Will be located near main entrances, fire alarm panels, or on outside entrance doors Provide at-a-glance hazard information
Labeling and Marking SystemsNFPA Diamonds Blue = Health Red = Flammability Yellow = Reactivity White = Special hazard information
Labeling and Marking SystemsNFPA Diamonds 4= Deadly Hazard 3= Serious Hazard 2= Moderate Hazard 1= Slight Hazard 0= Minimal Hazard
Special Hazards Oxidizing Material Acid Alkaline or Base Corrosive OX ACID ALK COR Unusual reactivity with water Radioactive
Labeling and Marking SystemsHMIS Labels You should never have any unattended, unlabeled containers in your workplace!
Labeling and Marking SystemsUniform Laboratory Signage Located on laboratory and chemical storage area doors Pictographs depict worst hazards present in lab or area
Lab Safety SymbolsFound in your textbook Glassware Heat Eye and Face Sharps Electrical Animal Chemical Fire
Other Chemical Hazards and Symbols Flammable Explosive Toxic/Poison Irritant Corrosive Environmental
Chemical Hazard Symbols and Definitions Flammable– Any substance that will burn if exposed to an open flame. Explosive– A substance that may explode if exposed to heat or flame.
What’s Wrong With These Statements? • Hal says that his teacher is solely responsible for preventing laboratory accidents. • Keshia started the lab activity before reading it through completely. • Ricardo decided to do a lab activity that he read about in a library book before the teacher came into the classroom. • Stephanie says that the safety goggles mess up her hair and give her raccoon eyes. She refuses to wear them. • Barbie and Ken accidentally break a beaker full of some chemical. Instead of risking getting in trouble they quickly clean up the mess with paper towel and throw it in the garbage.
Compare and Contrast 2 Chemicals Build a table that answers the following things about your assigned chemicals: 1. Appearance 2.First aid measures 3. How to dispose it. 4. Storage 5. Fire Fighting Measures 6. Spill Below your table, write a paragraph that compares and contrasts your 2 chemicals. On the back of the paper draw and color a safety diamond for each one of your chemicals